Glassware Mold Lubrication Burner Electrode Integration
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Solution Overview
Problem
Existing spark ignition systems for depositing soot on glassware mold surfaces suffer from carbon buildup on electrodes, which alters the flame pattern and reduces soot deposition efficiency, and require separate handling of ignition and ground electrodes.
Innovation Solution
A burner nozzle assembly with integrated spark electrodes, where the ignition electrode is insulated and the ground electrode is part of the nozzle, ensuring soot deposition occurs without electrode interference and maintaining optimal flame pattern.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If spark electrodes are immersed in the flame path for ignition, then reliable ignition of carbon-containing gas is achieved, but carbon buildup occurs on the electrodes which alters flame pattern and reduces deposition efficiency
Solution Approach 1:
The ground electrode is extracted from the flame path and repositioned downstream where the flame has already been established. This allows the ignition electrode to remain in the flame path for reliable ignition while the ground electrode does not interfere with the flame pattern, eliminating carbon buildup on the ground electrode and maintaining consistent flame structure.
2Reliability
If separate fuel and oxidant gas passages with alternating outlet ports are used, then complete combustion control is improved, but device complexity increases
Solution Approach 1:
The fuel and oxidant gas passages are merged into a single burner nozzle assembly with integrated alternating outlet ports. This combining of multiple gas delivery systems into one unified structure maintains precise combustion control while reducing overall device complexity and improving manufacturing efficiency.
3Ease of operation
If both ignition and ground electrodes are carried as an assembly with the burner nozzle, then ease of operation is improved, but maintenance difficulty increases due to integrated carbon buildup
Solution Approach 1:
The electrode assembly is segmented into two distinct components: the ignition electrode that remains integrated with the burner nozzle for easy operation, and the ground electrode that is repositioned downstream and can be separately accessed for maintenance. This segmentation allows both electrodes to be carried with the burner while enabling independent maintenance of the ground electrode without disassembling the entire assembly.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration reduces soot deposition on electrodes, maintains flame consistency, and ensures efficient carbon deposition on glassware mold surfaces by integrating both electrodes with the burner nozzle.
Implementation Method 1
A pair of spark electrodes, including an ignition electrode and a ground electrode, are spaced from each other and disposed within the gas stream emerging from the burner. The electrodes are energized to ignite the carbon-containing gas mixture
Implementation Method 2
The electrodes are energized to ignite the carbon-containing gas mixture and form a flame that precipitates electrically conductive carbon particles onto the glass-contacting surfaces of the mold
Data Source
Figure 1
Figure 2~6
Figure 3
AI summary
A burner for depositing carbon soot on a glassware mold (12) includes a burner nozzle (26) having an annular array of individual gas outlet ports (34, 40), a fuel passage within the nozzle connected to a first plurality (34) of the outlet ports and an oxidant passage in the nozzle connected to a second plurality (40) of the outlet ports. The first plurality of outlet ports individually alternate with the second plurality of outlet ports around the annular array such that the array presents alternate fuel and oxidant outlet ports around the array. An ignition electrode (54) is disposed on the burner nozzle within the annular array of outlet ports for igniting fuel and oxidant emerging from the outlet ports. The ignition electrode preferably is in the form of an elongated ignition electrode rod telescopically surrounded by an insulator (56) and centered on the burner nozzle within the annular array of outlet ports, and a ground electrode (90) telescopically surrounding the insulator. The ground electrode preferably is part of the burner nozzle and is electrically connected to a burner mounting block on which the burner nozzle is mounted.